Cita APA (7th ed.)

Unamuno y Jugo, M. d., & Kerrigan, A. (1972). The tragic sense of life in men and nations. Princeton University Press.

Cita Chicago (17th ed.)

Unamuno y Jugo, Miguel de, i Anthony Kerrigan. The Tragic Sense of Life in Men and Nations. [Princeton, N.J.]: Princeton University Press, 1972.

Cita MLA (9th ed.)

Unamuno y Jugo, Miguel de, i Anthony Kerrigan. The Tragic Sense of Life in Men and Nations. Princeton University Press, 1972.